Two-dimensional echocardiographic recognition and repair of subvalvular mitral aneurysm of the left ventricle in an infant.

The clinical features, diagnostic studies and surgical treatment of a subvalvular mitral aneurysm of the left ventricle are described. The infant presented at 9 weeks of age with large apical ventricular septal defects and pulmonary hypertension. The subvalvular aneurysm was an incidental finding. Both lesions were treated surgically.